// Copyright (C) 2009 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.client.patches;
import com.google.gerrit.client.Dispatcher;
import com.google.gerrit.client.Gerrit;
import com.google.gerrit.client.changes.Util;
import com.google.gerrit.client.ui.FancyFlexTable;
import com.google.gerrit.reviewdb.client.Patch;
import com.google.gerrit.reviewdb.client.PatchSet;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.RadioButton;
import java.util.ArrayList;
import java.util.List;
/**
* A table used to specify which two patch sets should be diff'ed.
*/
class HistoryTable extends FancyFlexTable<Patch> {
private final PatchScreen screen;
final List<HistoryRadio> all = new ArrayList<HistoryRadio>();
HistoryTable(final PatchScreen parent) {
setStyleName(Gerrit.RESOURCES.css().patchHistoryTable());
screen = parent;
table.setWidth("auto");
table.addStyleName(Gerrit.RESOURCES.css().changeTable());
}
void onClick(final HistoryRadio b) {
PatchSet.Id sideA = screen.idSideA;
PatchSet.Id sideB = screen.idSideB;
switch (b.file) {
case 0:
sideA = b.patchSetId;
break;
case 1:
sideB = b.patchSetId;
break;
default:
return;
}
enableAll(false);
Patch.Key k = new Patch.Key(sideB, screen.getPatchKey().get());
switch (screen.getPatchScreenType()) {
case SIDE_BY_SIDE:
Gerrit.display(Dispatcher.toPatchSideBySide(sideA, k));
break;
case UNIFIED:
Gerrit.display(Dispatcher.toPatchUnified(sideA, k));
break;
}
}
void enableAll(final boolean on) {
for (final HistoryRadio a : all) {
a.setEnabled(on);
}
}
void display(final List<Patch> result) {
all.clear();
final FlexCellFormatter fmt = table.getFlexCellFormatter();
table.setText(0, 0, PatchUtil.C.patchHeaderPatchSet());
fmt.setStyleName(0, 0, Gerrit.RESOURCES.css().dataHeader());
table.setText(1, 0, PatchUtil.C.patchHeaderOld());
fmt.setStyleName(1, 0, Gerrit.RESOURCES.css().dataHeader());
table.setText(2, 0, PatchUtil.C.patchHeaderNew());
fmt.setStyleName(2, 0, Gerrit.RESOURCES.css().dataHeader());
table.setText(3, 0, Util.C.patchTableColumnComments());
fmt.setStyleName(3, 0, Gerrit.RESOURCES.css().dataHeader());
if (screen.getPatchSetDetail().getInfo().getParents().size() > 1) {
table.setText(0, 1, PatchUtil.C.patchBaseAutoMerge());
} else {
table.setText(0, 1, PatchUtil.C.patchBase());
}
fmt.setStyleName(0, 1, Gerrit.RESOURCES.css().dataCell());
fmt.addStyleName(0, 1, Gerrit.RESOURCES.css().topMostCell());
fmt.setStyleName(1, 1, Gerrit.RESOURCES.css().dataCell());
fmt.setStyleName(2, 1, Gerrit.RESOURCES.css().dataCell());
fmt.setStyleName(3, 1, Gerrit.RESOURCES.css().dataCell());
installRadio(1, 1, null, screen.idSideA, 0);
int col=2;
for (final Patch k : result) {
final PatchSet.Id psId = k.getKey().getParentKey();
table.setText(0, col, String.valueOf(psId.get()));
fmt.setStyleName(0, col, Gerrit.RESOURCES.css().patchHistoryTablePatchSetHeader());
fmt.addStyleName(0, col, Gerrit.RESOURCES.css().dataCell());
fmt.addStyleName(0, col, Gerrit.RESOURCES.css().topMostCell());
installRadio(1, col, psId, screen.idSideA, 0);
installRadio(2, col, psId, screen.idSideB, 1);
fmt.setStyleName(3, col, Gerrit.RESOURCES.css().dataCell());
if (k.getCommentCount() > 0) {
table.setText(3, col, Integer.toString(k.getCommentCount()));
}
col++;
}
}
private void installRadio(final int row, final int col, final PatchSet.Id psId,
final PatchSet.Id cur, final int file) {
final HistoryRadio b = new HistoryRadio(psId, file);
b.setValue(eq(cur, psId));
table.setWidget(row, col, b);
final FlexCellFormatter fmt = table.getFlexCellFormatter();
fmt.setHorizontalAlignment(row, col, HasHorizontalAlignment.ALIGN_CENTER);
fmt.setStyleName(row, col, Gerrit.RESOURCES.css().dataCell());
all.add(b);
}
private boolean eq(final PatchSet.Id cur, final PatchSet.Id psid) {
if (cur == null && psid == null) {
return true;
}
return psid != null && psid.equals(cur);
}
private class HistoryRadio extends RadioButton {
final PatchSet.Id patchSetId;
final int file;
HistoryRadio(final PatchSet.Id ps, final int f) {
super(String.valueOf(f));
sinkEvents(Event.ONCLICK);
patchSetId = ps;
file = f;
}
@Override
public void onBrowserEvent(final Event event) {
switch (DOM.eventGetType(event)) {
case Event.ONCLICK:
onClick(this);
break;
default:
super.onBrowserEvent(event);
}
}
}
}